Clock



FIG. 1 is a perspective front view of the clock;

FIG. 2 is a front plan view of the clock;

FIG. 3 is a side plan view of the clock, which is identical to the opposing side plane view;

FIG. 4 is a top plan view of the clock; and,

FIG. 5 is a bottom plan view of the clock.

The rear view of the clock is plain and unornamented; accordingly, no drawing of the rear view is provided.

Broken line illustrations in the drawing disclosure are not part of the design sought to be patented. 

The ornamental design for a clock, shown and described. 